A 55-year-old woman with no cardiovascular disease has total cholesterol 6.2 mmol/L, HDL 1.0 mmol/L and LDL 4.1 mmol/L. Her blood pressure is 128/78 mm Hg, she is a non-smoker and has no diabetes. Her calculated 10-year cardiovascular risk using the Framingham Risk Score is 15%. According to CCS dyslipidaemia guidelines, what is the best management of her lipids?